If we wait 2 months, then there will be more entries, but if we end the contest and pay out next week, then those who have already entered will receive a greater share of the upvote bounty (6k)

The time you gave was enough, even if you're calling it off now, you've done well...
Time is money, let's not keep wasting time (money), course we're. Let's look into new things and so the payments will be easier for you..